<div ref="selectTree">
    <!-- 按钮触发模态框 -->
    <div class="input-group mb-3">
        <input type="text" class="form-control" name="selectDataName" readonly placeholder="请选择" aria-describedby="button-addon2">
        <input type="hidden" name="selectDataVal">
        <div class="input-group-append">
            <button class="btn btn-outline-secondary select-button" type="button">选择</button>
        </div>
    </div>
    <!-- 模态框（Modal） -->
    <div class="modal fade" ref="modal" tabindex="-1" role="dialog" aria-hidden="true">
        <div class="modal-dialog">
            <div class="modal-content">
                <div class="modal-header">
                    <span class="modal-title">辅助核算</span>
                    <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
                </div>
                <div class="modal-body">
                    <div id="jstree"></div>
                    <div id="event_result"></div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-default" data-dismiss="modal">关闭</button>
                </div>
            </div>
        </div>
    </div>
</div>
